This Sunday, the Walkers head to Mexico!

But it's not a vacation, nor is it an attempt to laugh in the face of swine flu.

Instead, the family heads down south to search for Tommy. But does he even wanna be found? We'll know for sure on this week's episode of Brothers & Sisters.

For now, enjoy this sneak peak at the installment titled "Mexico." Click on each photo below to enlarge it...

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.